SHENZHEN CREDIT TECHNOLOGY CO.，LTD devotes to researching of long wave radio signal receiving technology and manufacturing of time correlative production.We have the most advanced long wave radio signal receiving technology，especially long distance receiving technology applying on radio-controlled watch.

CREDIT multi-function digital watch series have different types designed for radio signals in different countries: China(BPC)，the US(WWVB)，Germany(DCF)，the Great Britain(MSF) an Japan(JJY).Also，we have the multi-signal receiving watch that is applicable in all the countries.We apply watch，movement producing and other service.